Forums before death by AOL, social media and spammers... "We can't have nice things"
| sci.electronics.design | Electronic circuit design | 143,326 messages |
[ << oldest | < older | list | newer > | newest >> ]
| Message 142,633 of 143,326 |
| Martin Brown to Stefan Ram |
| Re: energy and mass |
| 10 Feb 26 21:36:59 |
XPost: sci.physics
From: '''newspam'''@nonad.co.uk
On 10/02/2026 20:32, Stefan Ram wrote:
> Phil Hobbs wrote or quoted:
>> Doesn’t work though—the energy has mass too.
>
> Energy does not always have mass. Counterexample:
> A photon - it has energy, but no mass.
A photon has no *rest mass* - which not quite the same thing.
--
Martin Brown
--- SoupGate-Win32 v1.05
* Origin: you cannot sedate... all the things you hate (1:229/2)
|
[ << oldest | < older | list | newer > | newest >> ]
(c) 1994, bbs@darkrealms.ca
